KR100346529B1 - 디지탈신호프로세서 - Google Patents
디지탈신호프로세서 Download PDFInfo
- Publication number
- KR100346529B1 KR100346529B1 KR1019940029507A KR19940029507A KR100346529B1 KR 100346529 B1 KR100346529 B1 KR 100346529B1 KR 1019940029507 A KR1019940029507 A KR 1019940029507A KR 19940029507 A KR19940029507 A KR 19940029507A KR 100346529 B1 KR100346529 B1 KR 100346529B1
- Authority
- KR
- South Korea
- Prior art keywords
- metric
- metrics
- unit
- branch
- units
- Prior art date
Links
- 238000012545 processing Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 9
- 230000006870 function Effects 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 description 20
- 230000001186 cumulative effect Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 3
- 238000007476 Maximum Likelihood Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
- H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
- H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
- H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
- H03M13/3961—Arrangements of methods for branch or transition metric calculation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/65—Purpose and implementation aspects
- H03M13/6569—Implementation on processors, e.g. DSPs, or software implementations
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Data Mining & Analysis (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Error Detection And Correction (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US152.807 | 1993-11-16 | ||
US152,807 | 1993-11-16 | ||
US08/152,807 US5454014A (en) | 1993-11-16 | 1993-11-16 | Digital signal processor |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950016067A KR950016067A (ko) | 1995-06-17 |
KR100346529B1 true KR100346529B1 (ko) | 2002-11-29 |
Family
ID=22544534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940029507A KR100346529B1 (ko) | 1993-11-16 | 1994-11-11 | 디지탈신호프로세서 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5454014A (ja) |
EP (1) | EP0653715B1 (ja) |
JP (1) | JP3153425B2 (ja) |
KR (1) | KR100346529B1 (ja) |
DE (1) | DE69427630T2 (ja) |
TW (1) | TW320299U (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2724273B1 (fr) * | 1994-09-05 | 1997-01-03 | Sgs Thomson Microelectronics | Circuit de traitement de signal pour mettre en oeuvre un algorithme de viterbi |
US6327648B1 (en) * | 1994-12-09 | 2001-12-04 | Cirrus Logic, Inc. | Multiprocessor system for digital signal processing |
US6282251B1 (en) * | 1995-03-21 | 2001-08-28 | Seagate Technology Llc | Modified viterbi detector which accounts for correlated noise |
EP0782358A3 (en) | 1995-12-29 | 1999-07-21 | Lucent Technologies Inc. | Mobile communicator |
US6041086A (en) * | 1996-04-04 | 2000-03-21 | Lucent Technologies Inc. | Signal decoding for either Manhattan or Hamming metric based Viterbi decoders |
US5802116A (en) * | 1996-04-04 | 1998-09-01 | Lucent Technologies Inc. | Soft decision Viterbi decoding with large constraint lengths |
JP3180761B2 (ja) | 1997-07-23 | 2001-06-25 | 三菱電機株式会社 | 系列推定方法及び系列推定装置 |
DE19882604T1 (de) | 1997-08-11 | 2000-08-10 | Seagate Technology | Statischer Viterbi-Detektor für Kanäle, die einen Code mit zeitveränderlichen Constraints verwenden |
US6009128A (en) * | 1997-09-08 | 1999-12-28 | Lucent Technologies, Inc. | Metric acceleration on dual MAC processor |
JP2001519583A (ja) | 1997-10-08 | 2001-10-23 | シーゲイト テクノロジー エルエルシー | 判定帰還を用いる磁気記録におけるデータの検出方法および装置 |
US5912908A (en) * | 1997-11-21 | 1999-06-15 | Lucent Technologies Inc. | Method of efficient branch metric computation for a Viterbi convolutional decoder |
US6493162B1 (en) | 1997-12-05 | 2002-12-10 | Seagate Technology Llc | Frame synchronization for viterbi detector |
US6343103B1 (en) * | 1999-09-03 | 2002-01-29 | Agere Systems Guardian Corp. | Methods and apparatus for representation of branch metrics in a communication system decoder |
WO2002021699A2 (en) * | 2000-09-08 | 2002-03-14 | Avaz Networks | Programmable and multiplierless viterbi accelerator |
EP1350930B2 (en) * | 2002-04-03 | 2016-01-27 | SLW Automotive Inc. | Variable displacement pump and control therefor |
US8379851B2 (en) * | 2008-05-12 | 2013-02-19 | Microsoft Corporation | Optimized client side rate control and indexed file layout for streaming media |
KR20200070029A (ko) | 2018-12-08 | 2020-06-17 | 유광진 | 수납공간 이동이 용이한 수납장 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5220570A (en) * | 1990-11-30 | 1993-06-15 | The Board Of Trustees Of The Leland Stanford Junior University | Programmable viterbi signal processor |
KR930020264A (ko) * | 1992-03-23 | 1993-10-19 | 미셀 달사세 | 비터비 알고리즘을 프로세싱하기 위한 프로세서를 포함하는 장치 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4536878A (en) * | 1982-09-20 | 1985-08-20 | Sperry Corporation | Bit serial convolutional decoder for VLSI implementation |
US4730322A (en) * | 1985-09-27 | 1988-03-08 | California Institute Of Technology | Method and apparatus for implementing a maximum-likelihood decoder in a hypercube network |
JP2693256B2 (ja) * | 1990-05-25 | 1997-12-24 | 富士通株式会社 | 記録装置用ビタビ等化器及び記録装置 |
FR2669445B1 (fr) * | 1990-11-15 | 1993-01-08 | Alcatel Radiotelephone | Dispositif prevu pour le traitement de l'algorithme de viterbi comprenant un processeur et un operateur specialise. |
US5384722A (en) * | 1993-03-10 | 1995-01-24 | Intel Corporation | Apparatus and method for determining the Manhattan distance between two points |
-
1993
- 1993-11-16 US US08/152,807 patent/US5454014A/en not_active Expired - Lifetime
- 1993-12-06 TW TW085219692U patent/TW320299U/zh unknown
-
1994
- 1994-11-09 DE DE69427630T patent/DE69427630T2/de not_active Expired - Lifetime
- 1994-11-09 EP EP94308223A patent/EP0653715B1/en not_active Expired - Lifetime
- 1994-11-11 KR KR1019940029507A patent/KR100346529B1/ko not_active IP Right Cessation
- 1994-11-16 JP JP28168894A patent/JP3153425B2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5220570A (en) * | 1990-11-30 | 1993-06-15 | The Board Of Trustees Of The Leland Stanford Junior University | Programmable viterbi signal processor |
KR930020264A (ko) * | 1992-03-23 | 1993-10-19 | 미셀 달사세 | 비터비 알고리즘을 프로세싱하기 위한 프로세서를 포함하는 장치 |
Also Published As
Publication number | Publication date |
---|---|
EP0653715A3 (en) | 1997-06-04 |
EP0653715A2 (en) | 1995-05-17 |
TW320299U (en) | 1997-11-11 |
DE69427630D1 (de) | 2001-08-09 |
EP0653715B1 (en) | 2001-07-04 |
DE69427630T2 (de) | 2002-07-04 |
JPH07202957A (ja) | 1995-08-04 |
US5454014A (en) | 1995-09-26 |
KR950016067A (ko) | 1995-06-17 |
JP3153425B2 (ja) | 2001-04-09 |
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